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arangodb/arangod/Cluster/ClusterMethods.h

276 lines
12 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// @brief methods to do things in a cluster
///
/// @file ClusterMethods.h
///
/// DISCLAIMER
///
/// Copyright 2014 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Max Neunhoeffer
/// @author Copyright 2014, triagens GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGODB_CLUSTER_CLUSTER_METHODS_H
#define ARANGODB_CLUSTER_CLUSTER_METHODS_H 1
#include "Basics/Common.h"
#include "Rest/HttpRequest.h"
#include "Rest/HttpResponse.h"
#include "SimpleHttpClient/GeneralClientConnection.h"
#include "SimpleHttpClient/SimpleHttpResult.h"
#include "SimpleHttpClient/SimpleHttpClient.h"
#include "VocBase/document-collection.h"
#include "VocBase/edge-collection.h"
#include "VocBase/update-policy.h"
#include "VocBase/voc-types.h"
#include "Cluster/AgencyComm.h"
#include "Cluster/ClusterInfo.h"
#include "Cluster/ServerState.h"
#include "Cluster/ClusterComm.h"
struct TRI_json_t;
struct TRI_vector_pointer_s;
namespace triagens {
namespace arango {
// -----------------------------------------------------------------------------
// --SECTION-- forward declarations
// -----------------------------------------------------------------------------
namespace traverser {
class TraverserExpression;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief merge headers of a DB server response into the current response
////////////////////////////////////////////////////////////////////////////////
void mergeResponseHeaders (triagens::rest::HttpResponse* response,
std::map<std::string, std::string> const& headers);
////////////////////////////////////////////////////////////////////////////////
/// @brief creates a copy of all HTTP headers to forward
////////////////////////////////////////////////////////////////////////////////
std::map<std::string, std::string> getForwardableRequestHeaders (triagens::rest::HttpRequest* request);
////////////////////////////////////////////////////////////////////////////////
/// @brief check if a list of attributes have the same values in two JSON
/// documents
////////////////////////////////////////////////////////////////////////////////
bool shardKeysChanged (std::string const& dbname,
std::string const& collname,
struct TRI_json_t const* oldJson,
struct TRI_json_t const* newJson,
bool isPatch);
////////////////////////////////////////////////////////////////////////////////
/// @brief returns users
////////////////////////////////////////////////////////////////////////////////
int usersOnCoordinator (std::string const& dbname,
struct TRI_json_t*& result,
double timeout);
////////////////////////////////////////////////////////////////////////////////
/// @brief returns revision for a sharded collection
////////////////////////////////////////////////////////////////////////////////
int revisionOnCoordinator (std::string const& dbname,
std::string const& collname,
TRI_voc_rid_t&);
////////////////////////////////////////////////////////////////////////////////
/// @brief returns figures for a sharded collection
////////////////////////////////////////////////////////////////////////////////
int figuresOnCoordinator (std::string const& dbname,
std::string const& collname,
TRI_doc_collection_info_t*&);
////////////////////////////////////////////////////////////////////////////////
/// @brief counts number of documents in a coordinator
////////////////////////////////////////////////////////////////////////////////
int countOnCoordinator (
std::string const& dbname,
std::string const& collname,
uint64_t& result);
////////////////////////////////////////////////////////////////////////////////
/// @brief creates a document in a coordinator
////////////////////////////////////////////////////////////////////////////////
int createDocumentOnCoordinator (
std::string const& dbname,
std::string const& collname,
bool waitForSync,
TRI_json_t* json,
std::map<std::string, std::string> const& headers,
triagens::rest::HttpResponse::HttpResponseCode& responseCode,
std::map<std::string, std::string>& resultHeaders,
std::string& resultBody);
////////////////////////////////////////////////////////////////////////////////
/// @brief delete a document in a coordinator
////////////////////////////////////////////////////////////////////////////////
int deleteDocumentOnCoordinator (
std::string const& dbname,
std::string const& collname,
std::string const& key,
TRI_voc_rid_t const rev,
TRI_doc_update_policy_e policy,
bool waitForSync,
std::map<std::string, std::string> const& headers,
triagens::rest::HttpResponse::HttpResponseCode& responseCode,
std::map<std::string, std::string>& resultHeaders,
std::string& resultBody);
////////////////////////////////////////////////////////////////////////////////
/// @brief get a document in a coordinator
////////////////////////////////////////////////////////////////////////////////
int getDocumentOnCoordinator (
std::string const& dbname,
std::string const& collname,
std::string const& key,
TRI_voc_rid_t const rev,
std::map<std::string, std::string> const& headers,
bool generateDocument,
triagens::rest::HttpResponse::HttpResponseCode& responseCode,
std::map<std::string, std::string>& resultHeaders,
std::string& resultBody);
////////////////////////////////////////////////////////////////////////////////
/// @brief get a list of filtered documents in a coordinator
/// All found documents will be inserted into result.
////////////////////////////////////////////////////////////////////////////////
int getFilteredDocumentsOnCoordinator (
std::string const& dbname,
std::vector<traverser::TraverserExpression*> const& expressions,
std::map<std::string, std::string> const& headers,
std::unordered_set<std::string>& documentIds,
std::unordered_map<std::string, TRI_json_t*>& result);
////////////////////////////////////////////////////////////////////////////////
/// @brief get all documents in a coordinator
////////////////////////////////////////////////////////////////////////////////
int getAllDocumentsOnCoordinator (
std::string const& dbname,
std::string const& collname,
std::string const& returnType,
triagens::rest::HttpResponse::HttpResponseCode& responseCode,
std::string& contentType,
std::string& resultBody);
////////////////////////////////////////////////////////////////////////////////
/// @brief get all edges in a coordinator
////////////////////////////////////////////////////////////////////////////////
int getAllEdgesOnCoordinator (
std::string const& dbname,
std::string const& collname,
std::string const& vertex,
TRI_edge_direction_e const& direction,
triagens::rest::HttpResponse::HttpResponseCode& responseCode,
std::string& contentType,
std::string& resultBody);
////////////////////////////////////////////////////////////////////////////////
/// @brief get a filtered set of edges on Coordinator.
/// Also returns the result in Json
////////////////////////////////////////////////////////////////////////////////
int getFilteredEdgesOnCoordinator (
std::string const& dbname,
std::string const& collname,
std::string const& vertex,
TRI_edge_direction_e const& direction,
std::vector<traverser::TraverserExpression*> const& expressions,
triagens::rest::HttpResponse::HttpResponseCode& responseCode,
std::string& contentType,
triagens::basics::Json& resultJson);
////////////////////////////////////////////////////////////////////////////////
/// @brief modify a document in a coordinator
////////////////////////////////////////////////////////////////////////////////
int modifyDocumentOnCoordinator (
std::string const& dbname,
std::string const& collname,
std::string const& key,
TRI_voc_rid_t const rev,
TRI_doc_update_policy_e policy,
bool waitForSync,
bool isPatch,
bool keepNull, // only counts for isPatch == true
bool mergeObjects, // only counts for isPatch == true
TRI_json_t* json,
std::map<std::string, std::string> const& headers,
triagens::rest::HttpResponse::HttpResponseCode& responseCode,
std::map<std::string, std::string>& resultHeaders,
std::string& resultBody);
////////////////////////////////////////////////////////////////////////////////
/// @brief creates an edge in a coordinator
////////////////////////////////////////////////////////////////////////////////
int createEdgeOnCoordinator (
std::string const& dbname,
std::string const& collname,
bool waitForSync,
TRI_json_t* json,
char const* from,
char const* to,
triagens::rest::HttpResponse::HttpResponseCode& responseCode,
std::map<std::string, std::string>& resultHeaders,
std::string& resultBody);
////////////////////////////////////////////////////////////////////////////////
/// @brief truncate a cluster collection on a coordinator
////////////////////////////////////////////////////////////////////////////////
int truncateCollectionOnCoordinator (std::string const& dbname,
std::string const& collname);
////////////////////////////////////////////////////////////////////////////////
/// @brief flush Wal on all DBservers
////////////////////////////////////////////////////////////////////////////////
int flushWalOnAllDBServers (bool, bool);
} // namespace arango
} // namespace triagens
#endif
// -----------------------------------------------------------------------------
// --SECTION-- END-OF-FILE
// -----------------------------------------------------------------------------
// Local Variables:
// mode: outline-minor
// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
// End: